Q.1.

Which mode of operation is being used when a 555 timer chip has two external resistors and an external capacitor?

Q.2.

What does the discharge transistor do in the 555 timer circuit?

Q.3.

A multivibrator is a circuit that changes between two digital levels on a continuous, free-running basis or on demand.

Q.4.

The 74S124 TTL chip is a voltage-controlled oscillator that will generate a specific frequency at Vout.

Q.5.

A single Schmitt trigger inverter is all that is needed to build a simple astable multivibrator.

Q.6.

A monostable multivibrator is commonly called a two shot.

Q.7.

What does the discharge transistor do in the 555 timer circuit?